The total amount of conversion of light energy into chemical energy of organic molecules in an ecosystem is
A
Net primary productivity
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B
Gross primary productivity
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C
Gross secondary productivity
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D
None of the above
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Solution
The correct option is A Gross primary productivity
The total amount of productivity in a region or system is gross primary productivity. It is the rate at which photosynthesis or chemosynthesis occurs where the conversion of light energy into the chemical energy takes place.